All currently-maintained UNIX/Linux Operating Systems have a POSIX-compliant /bin/sh. If you want to write shell scripts that run on any UNIX/Linux system, this is the book for you.

This book will push the boundaries of your knowledge of UNIX/Linux scripting by introducing techniques to overcome the most daunting tasks. Issues once thought to be too complex for shell programming are tackled in-depth and in a cross-platform compatible nature.